{CodeRoyale}
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Multiple ChoiceIntermediate 30s

Singleton Pattern

Choose the best answer for: singleton
Options
  1. 1Singleton ensures only one instance exists (DB connections, config)
  2. 2The singleton is for UI only, keeping one widget instance
  3. 3The singleton replaces factories as the sole creation point
  4. 4The singleton creates many instances with no shared state
backendintermediate

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